Known to backpackers as the "Steps of Doom," this walkway carved into the side of a seaside cliff leads to the Roman Tombs.

A volcanic crater that visitors can look inside.

The world's most remote airport.

This was once the center of the Birdman cult, and is now a World Heritage Site.

The largest stone moai on Rapa Nui.

A fortress on this island housed the mysterious prisoner known as the "Man in the Iron Mask" for more than a decade.

A reconstruction of a classic mansion on the island of Delos was designed for a historian and archaeologist.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

This mountain trail inspired Nietzsche to complete his magnum opus.

This massive blockhead sculpture hides an entire library.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

Eyam took steps to quarantine themselves and keep the plague from spreading.

This modern monument to pagan belief looks like it was transported straight from ancient times.

One of the oldest bridges in Norwich was used during the English witch trials and is said to be haunted.

A massive Montreal stadium that has seen nothing but trouble since its inception.

An encyclopedic collection of mammal penises.

If you visit the burial place of King Frederick the Great, you'll likely find a couple of potatoes sitting on his tombstone.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.